Human Reproduction, Vol 13, 1987-1990, Copyright © 1998 by Oxford University Press
MR Gazvani, DN Baruah, Z Alfirevic and SJ Emery
In the search for a more potent alternative to a single i.m. injection of
methotrexate for ectopic pregnancy, a randomized trial was organized. The
efficacy of a combination of methotrexate and mifepristone was compared
with methotrexate alone in the treatment of unruptured tubal pregnancies.
The diagnosis of an unruptured tubal pregnancy was confirmed
laparoscopically in 50 patients during a 2 year period. Women were
randomized to receive a single i.m. injection of 50 mg/m2 methotrexate
alone or a single dose of 600 mg oral mifepristone in combination with the
same dose of methotrexate. Both treatment protocols were successful in
achieving the resolution of unruptured ectopic pregnancy (18/25 in the
methotrexate group and 22/25 in the combination group) following the
initial intervention. A second injection was needed in four (16%) cases in
the methotrexate group and in one (4%) case in the combination group.
Overall, a complete resolution was achieved in 22/25 and 23/25 cases
respectively. Unruptured ectopic pregnancy resolved faster in women given
the combination of methotrexate and mifepristone compared to women given
methotrexate only (P = 0.01). The effect of the methotrexate and
mifepristone combination was more pronounced in women with higher human
chorionic gonadotrophin concentrations.
ARTICLES
Mifepristone in combination with methotrexate for the medical treatment of tubal pregnancy: a randomized, controlled trial
Reproductive Medicine, Liverpool Women's Hospital, UK.
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